Home / 1,144.33-1,712.95-1,126.51

Finding the Fourth Proportional to 1,144.33, 1,712.95 and 1,126.51

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Solution

The fourth proportional to 1,144.33, 1,712.95 and 1,126.51 is: 1,686.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,144.33 : 1,712.95 = 1,126.51 : x
  2. Step 2: Convert to fraction form
    1,144.33/1,712.95 = 1,126.51/x
  3. Step 3: Cross multiply
    1,144.33x = 1,712.95 × 1,126.51
  4. Step 4: Simplify right side
    1,144.33x = 1,929,648.21
  5. Step 5: Solve for x
    x = 1,929,648.21/1,144.33
  6. Step 6: Final answer
    x = 1,686.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.